01SSKilla

I've got an M6 with 4.10s and I'm trapping 118 right now. I don't have my eyes glued to the tach when I go through traps but It's revving pretty high with a 25.6" DR. I will be spraying a 150 shot and I'm going to go with a slick, I was thinking 28" or will this be too tall. Thanks in advance.

TheBlurLS1

iTrader: (8)

With the same setup as you have now, (M6, 4.11, 25.6" tires, 315 DR's in my case), I was only able to trap 124.5, 6800rpm limiter. Was on the 'limiter at the 1000' or so.

http://www.f-body.org/gears/

You can play around with that and see what you get with different tire sizes. I stepped down to 3.73's so I don't have to go to bigger tires. I like my 17's.

01SSKilla

Thanks for the reply! Posted this in the nitrous section.

Demonicbird00

iTrader: (17)

yeah if your running a 150 shot, id go to a 28" im still on a 26" but im not spraying and going through the trap at 6800

-brandon

Skinny

iTrader: (11)

I'm on the same boat right now with my A4 / 4.10 combo. Trapping 117 and about to add a 150 shot. Should I go with a 28" tire or step the gear down??

Demonicbird00

iTrader: (17)

go to the link theblurls1 posted... that link is your friend....not sure about a4s but i would assume prolly 27 or 28 as well

-brandon

Pro Stock John

iTrader: (34)

Figure you could pick up 10-15mph from a 150 shot, so Travis can your combo do 127-132mph on a 26" tire? Might need to use an online calc to see what rpms you might be spinning. What rpm do you shift at now?

chuckyt1

iTrader: (33)

I'd try a 28" tire with that shot...

Skinny

iTrader: (11)

I doubt it. I actually haven't had any track time on the new 4000 stall yet but I seriously doubt it'll do that MPH on a 26" tire. The online calcs that I've seen don't ever seem even close to accurate with stalled automatics but I'll check the link out. Shifts are currently at 7000rpm. I guess I should just go out to the highway see how high I can go in 3rd gear.

Edit: I tried the calc linked above. That showed 132MPH in 3rd gear with a 26" tire, but I really doubt I'll see that kinda MPH, especially with an unlocked converter...

mike c.

iTrader: (1)

I'm a m6,26' tire on a 150shot i'm doing 134mph in the 1/4mi. My rev is at 7,200rpm's. A 28' tire will slow you down N/A.

BOLO

iTrader: (40)

Like Mike C. said, a 28" tire will slow down n/a run.
Check my sig below, both runs on 28".
I'm going to run 26" on motor next time around. Keep the 28's for the spray.